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How Phones, Elevators Played
Roles in WTC Evacuations

Excerpts from "Analysis of Published Accounts of the World Trade Center Evacuation" by the National Institute of Standards and Technology. The full analysis is available in PDF form here.

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The accounts analyzed were from survivors located in several areas in each tower, providing a distribution of floors from the upper, middle and lower strata of the two towers. In total, 745 accounts were analyzed, representing 435 survivors from World Trade Center 1 and WTC 2. [WTC 1, the North Tower, was...